The problem is, the ad's appear in the left, and I want to put them always in the center.
I try to change this: margin:0 auto; to margin:auto auto; and not work.
What I have to do for present ad's in the center, or the same margin in left and right (responsive).

Margins are set within the parent element of the ads, so you nee to make sure that the parent ogf the ads is width:100%. If the code for the parent is written by the Google script, then you might not be able to modify the width property.

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